diff options
Diffstat (limited to 'fs/jffs2/read.c')
-rw-r--r-- | fs/jffs2/read.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/fs/jffs2/read.c b/fs/jffs2/read.c index cfe05c1966a5..3f39be1b0455 100644 --- a/fs/jffs2/read.c +++ b/fs/jffs2/read.c | |||
@@ -164,12 +164,15 @@ int jffs2_read_inode_range(struct jffs2_sb_info *c, struct jffs2_inode_info *f, | |||
164 | 164 | ||
165 | /* XXX FIXME: Where a single physical node actually shows up in two | 165 | /* XXX FIXME: Where a single physical node actually shows up in two |
166 | frags, we read it twice. Don't do that. */ | 166 | frags, we read it twice. Don't do that. */ |
167 | /* Now we're pointing at the first frag which overlaps our page */ | 167 | /* Now we're pointing at the first frag which overlaps our page |
168 | * (or perhaps is before it, if we've been asked to read off the | ||
169 | * end of the file). */ | ||
168 | while(offset < end) { | 170 | while(offset < end) { |
169 | D2(printk(KERN_DEBUG "jffs2_read_inode_range: offset %d, end %d\n", offset, end)); | 171 | D2(printk(KERN_DEBUG "jffs2_read_inode_range: offset %d, end %d\n", offset, end)); |
170 | if (unlikely(!frag || frag->ofs > offset)) { | 172 | if (unlikely(!frag || frag->ofs > offset || |
173 | frag->ofs + frag->size <= offset)) { | ||
171 | uint32_t holesize = end - offset; | 174 | uint32_t holesize = end - offset; |
172 | if (frag) { | 175 | if (frag && frag->ofs > offset) { |
173 | D1(printk(KERN_NOTICE "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n", f->inocache->ino, frag->ofs, offset)); | 176 | D1(printk(KERN_NOTICE "Eep. Hole in ino #%u fraglist. frag->ofs = 0x%08x, offset = 0x%08x\n", f->inocache->ino, frag->ofs, offset)); |
174 | holesize = min(holesize, frag->ofs - offset); | 177 | holesize = min(holesize, frag->ofs - offset); |
175 | } | 178 | } |